Quality means doing it right when no one is looking.

我是那种精神有问题的人，如果我打了一个女孩的嘴，她会说，“该死，那太激烈了！”

真正的生活方式是回应自己的需求。

The aim of education is not to make men carpenters, but to make carpenters men.

I don't have any particular recipe [for developing new proofs] ... It is the reason why doing research is challenging as well as attractive. It's like being lost in a jungle and trying to use all the knowledge that you can gather to come up with some new tricks, and with some luck you might find a way out.

"In every story, there is a piece of truth waiting to be discovered."